– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Thu 02 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Thu 02 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Thu 02 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 17°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 24°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||
Thu 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  | |  |  | | | |  | | |
mod. rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | some clouds | some clouds | some clouds | clear | some clouds | cloudy | light rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 6 | 2 | 0.3 | 0.6 | 0.2 | 0.1 | 0.2 | — | — | — | — | — | — | — | — | — | 0.1 |
max °C | 13 | 13 | 13 | 17 | 16 | 15 | 17 | 16 | 17 | 20 | 18 | 20 | 24 | 20 | 18 | 19 | 15 |
min °C | 13 | 12 | 13 | 14 | 11 | 13 | 16 | 11 | 13 | 19 | 14 | 17 | 23 | 14 | 16 | 17 | 12 |
chill °C | 13 | 12 | 13 | 14 | 11 | 13 | 16 | 11 | 13 | 19 | 14 | 17 | 23 | 14 | 16 | 17 | 12 |
Freezing level m | 2900 | 2950 | 3200 | 3400 | 3100 | 2800 | 2950 | 3050 | 3250 | 3550 | 3800 | 3800 | 3950 | 3950 | 3650 | 3200 | 3200 |
Cloud base (m) | 750 | 600 | 800 | 600 | 1800 | 1750 | 1750 | 1950 | 2200 | 6100 | 5600 | 5350 | 6000 | 2900 | 2300 | ||
 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — |
 | — | 9:13 | — | — | 9:13 | — | — | 9:13 | — | — | 9:12 | — | — | 9:12 | — | — | 9:10 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 17°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 24°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.